DC power supply 5V and 12V using 2N3055-LM309

Wednesday, November 19th, 2008

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This be DC power supply regulator circuit be simple. That can give voltage come out 12V and 5V by use part base be Transistor 2N3055 and Zener Diode 12V. Make can take volt can reach about 15V maintain one’s position voltage be stable 12V well. And change the integrated circuit LM309 for regulate [...]

5V-12V Multiple Supply Switching regulator by L4970 and L4974A

Saturday, September 27th, 2008

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Today take Multiple Supply Switching regulator Circuit. Come to deposit friends keep see in rows think out it can give Voltage supply about 5V 10A and 12V 3.5A. In same circuit by the character of Switching Regulator at use integrated readymade circuit. Work the character Synchronization between IC [...]

Simple power supply regulator 12V 15V 30V by Zener diode

Friday, May 25th, 2007

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Click to View Circuit and PCB
Simple power supply regulator 12V 15V 30V by Zener diode
This is easy circuit ,Simple power supply
regulator 12V 15V 30V by Zener diode.
Small and low cost. for easy work.